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Accurate and robust tracking and reconstruction of the surgical scene is a critical enabling technology toward autonomous robotic surgery. Existing algorithms for 3D perception in surgery mainly rely on geometric information, while we…

Image and Video Processing · Electrical Eng. & Systems 2023-02-21 Shan Lin , Albert J. Miao , Jingpei Lu , Shunkai Yu , Zih-Yun Chiu , Florian Richter , Michael C. Yip

Surgical scene simulation plays a crucial role in surgical education and simulator-based robot learning. Traditional approaches for creating these environments with surgical scene involve a labor-intensive process where designers hand-craft…

Robotics · Computer Science 2024-08-07 Zhenya Yang , Kai Chen , Yonghao Long , Qi Dou

Conventional video compression approaches use the predictive coding architecture and encode the corresponding motion information and residual information. In this paper, taking advantage of both classical architecture in the conventional…

Image and Video Processing · Electrical Eng. & Systems 2019-04-09 Guo Lu , Wanli Ouyang , Dong Xu , Xiaoyun Zhang , Chunlei Cai , Zhiyong Gao

The surgical operating room (OR) presents many opportunities for automation and optimization. Videos from various sources in the OR are becoming increasingly available. The medical community seeks to leverage this wealth of data to develop…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Lennart Bastian , Tobias Czempiel , Christian Heiliger , Konrad Karcz , Ulrich Eck , Benjamin Busam , Nassir Navab

Text data present in multimedia contain useful information for automatic annotation, indexing. Extracted information used for recognition of the overlay or scene text from a given video or image. The Extracted text can be used for…

Information Retrieval · Computer Science 2014-04-08 Avinash N Bhute , B. B. Meshram

Content-based multimedia information retrieval is an interesting research area since it allows retrieval based on inherent characteristic of multimedia objects. For example retrieval based on visual characteristics such as colour, shapes or…

Information Retrieval · Computer Science 2012-07-19 Mohammad Nabil Almunawar

Endoscopic video recordings are widely used in minimally invasive robot-assisted surgery, but when the endoscope is outside the patient's body, it can capture irrelevant segments that may contain sensitive information. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Ziheng Wang , Conor Perreault , Xi Liu , Anthony Jarc

Summarization of multimedia data becomes increasingly significant as it is the basis for many real-world applications, such as question answering, Web search, and so forth. Most existing multi-modal summarization works however have used…

Computation and Language · Computer Science 2020-09-18 Xiyan Fu , Jun Wang , Zhenglu Yang

Surgical workflow recognition has numerous potential medical applications, such as the automatic indexing of surgical video databases and the optimization of real-time operating room scheduling, among others. As a result, phase recognition…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Andru P. Twinanda , Sherif Shehata , Didier Mutter , Jacques Marescaux , Michel de Mathelin , Nicolas Padoy

Recognizing the phases of a laparoscopic surgery (LS) operation form its video constitutes a fundamental step for efficient content representation, indexing and retrieval in surgical video databases. In the literature, most techniques focus…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Constantinos Loukas

Video recordings of open surgeries are greatly required for education and research purposes. However, capturing unobstructed videos is challenging since surgeons frequently block the camera field of view. To avoid occlusion, the positions…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Yuna Kato , Shohei Mori , Hideo Saito , Yoshifumi Takatsume , Hiroki Kajita , Mariko Isogawa

We explain theoretically how to reconstruct the 3D scene from successive frames in order to see the video in 3D. To do this, features, associated to moving rigid objects in 3D, are extracted in frames and matched. The vanishing point…

Computer Vision and Pattern Recognition · Computer Science 2020-07-30 Slimane Larabi

Precise camera tracking, high-fidelity 3D tissue reconstruction, and real-time online visualization are critical for intrabody medical imaging devices such as endoscopes and capsule robots. However, existing SLAM (Simultaneous Localization…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Kailing Wang , Chen Yang , Yuehao Wang , Sikuang Li , Yan Wang , Qi Dou , Xiaokang Yang , Wei Shen

Video summaries come in many forms, from traditional single-image thumbnails, animated thumbnails, storyboards, to trailer-like video summaries. Content creators use the summaries to display the most attractive portion of their videos; the…

Multimedia · Computer Science 2018-08-03 Hongxiang Gu , Viswanathan Swaminathan

Effective learning with audiovisual content depends on many factors. Besides the quality of the learning resource's content, it is essential to discover the most relevant and suitable video in order to support the learning process most…

Multimedia · Computer Science 2019-12-24 Hang Zhou , Christian Otto , Ralph Ewerth

In medical field, intravascular ultrasound (IVUS) is a tomographic imaging modality, which can identify the boundaries of different layers of blood vessels. IVUS can detect myocardial infarction (heart attack) that remains ignored and…

Multimedia · Computer Science 2013-03-12 Nilanjan Dey , Suvojit Acharjee , Debalina Biswas , Achintya Das , Sheli Sinha Chaudhuri

A key element of computer-assisted surgery systems is phase recognition of surgical videos. Existing phase recognition algorithms require frame-wise annotation of a large number of videos, which is time and money consuming. In this work we…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Roy Hirsch , Regev Cohen , Mathilde Caron , Tomer Golany , Daniel Freedman , Ehud Rivlin

Reconstructing deformable tissues from endoscopic videos is essential in many downstream surgical applications. However, existing methods suffer from slow rendering speed, greatly limiting their practical use. In this paper, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Yifan Liu , Chenxin Li , Chen Yang , Yixuan Yuan

Lecture videos are an increasingly important learning resource for higher education. However, the challenge of quickly finding the content of interest in a lecture video is an important limitation of this format. This paper introduces…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Mohammad Rajiur Rahman , Jaspal Subhlok , Shishir Shah

Video skimming, also known as dynamic video summarization, generates a temporally abridged version of a given video. Skimming can be achieved by identifying significant components either in uni-modal or multi-modal features extracted from…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Vivekraj V. K. , Debashis Sen , Balasubramanian Raman
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